//
// Reveal Variables
//

$include-html-reveal-classes: $include-html-classes !default;

// We use these to control the style of the reveal overlay.
$reveal-overlay-bg: rgba(#000, .45) !default;
$reveal-overlay-bg-old: #000 !default;

// We use these to control the style of the modal itself.
$reveal-modal-bg: #fff !default;
$reveal-position-top: 50px !default;
$reveal-default-width: 80% !default;
$reveal-modal-padding: em-calc(20) !default;
$reveal-box-shadow: 0 0 10px rgba(#000,.4) !default;

// We use these to style the reveal close button
$reveal-close-font-size: em-calc(22) !default;
$reveal-close-top: em-calc(8) !default;
$reveal-close-side: em-calc(11) !default;
$reveal-close-color: #aaa !default;
$reveal-close-weight: bold !default;

// We use these to control the modal border
$reveal-border-style: solid !default;
$reveal-border-width: 1px !default;
$reveal-border-color: #666 !default;

$reveal-modal-class: "reveal-modal" !default;
$close-reveal-modal-class: "close-reveal-modal" !default;

//
// Reveal Mixins
//

// We use this to create the reveal background overlay styles
@mixin reveal-bg {
  position: fixed;
  height: 100%;
  width: 100%;
  background: $reveal-overlay-bg-old;
  background: $reveal-overlay-bg;
  z-index: 98;
  display: none;
  top: 0;
  #{$default-float}: 0;
}

// We use this mixin to create the structure of a reveal modal
@mixin reveal-modal-base($base-style:true, $width:$reveal-default-width) {
  @if $base-style {
    visibility: hidden;
    display: none;
    position: absolute;
    #{$default-float}: 50%;
    z-index: 99;
    height: auto;

    // Make sure rows don't have a min-width on them
    .column,
    .columns { min-width: 0; }

    // Get rid of margin from first and last element inside modal
    & > :first-child { margin-top: 0; }
    & > :last-child { margin-bottom: 0; }
  }

  @if $width {
    margin-#{$default-float}: -($width / 2);
    width: $width;
  }
}

// We use this to style the reveal modal defaults
@mixin reveal-modal-style($bg:$reveal-modal-bg, $padding:$reveal-modal-padding, $border:true, $border-style:$reveal-border-style, $border-width:$reveal-border-width, $border-color:$reveal-border-color, $box-shadow:true, $top-offset:$reveal-position-top) {

  @if $bg { background-color: $bg; }
  @if $padding { padding: $padding; }

  @if $border { border: $border-style $border-width $border-color; }

  // We can choose whether or not to include the default box-shadow.
  @if $box-shadow {
    @if $experimental {
      -webkit-box-shadow: $reveal-box-shadow;
    }
    box-shadow: $reveal-box-shadow;
  }

  @if $top-offset { top: $top-offset; }
}

// We use this to create a close button for the reveal modal
@mixin reveal-close($color:$reveal-close-color) {
  font-size: $reveal-close-font-size;
  line-height: 1;
  position: absolute;
  top: $reveal-close-top;
  #{$opposite-direction}: $reveal-close-side;
  color: $color;
  font-weight: $reveal-close-weight;
  cursor: $cursor-pointer-value;
}

@if $include-html-reveal-classes != false {

  // Reveal Modals
  .reveal-modal-bg { @include reveal-bg; }

  .#{$reveal-modal-class} {
    @include reveal-modal-base;
    @include reveal-modal-style;

    .#{$close-reveal-modal-class} { @include reveal-close; }
  }

  // Large Screen Styles
  @media #{$small} {

    .#{$reveal-modal-class} {
      @include reveal-modal-style(false, em-calc(30), false, $box-shadow: false, $top-offset: em-calc(100));

      &.tiny  { @include reveal-modal-base(false, 30%); }
      &.small { @include reveal-modal-base(false, 40%); }
      &.medium  { @include reveal-modal-base(false, 60%); }
      &.large { @include reveal-modal-base(false, 70%); }
      &.xlarge { @include reveal-modal-base(false, 95%); }
    }
  }

  // Reveal Print Styles
  @media print {
    .#{$reveal-modal-class} {background: #fff !important;}
  }
}
